D -LINK AND AT&T WORK TOGETHER TO IMPLEMENT ADVANCED TECHNOLOGIES IN VOIP

D-Link engineers have worked closely with AT&T to implement unique, industry leading Quality of Service (QoS) solutions that deliver strong, reliable connections and sound quality comparable to existing circuit-switched telephone service.

Fountain Valley, CA, October 6, 2004 - D -Link, a global leader in consumer network connectivity, today announced a working relationship with AT&T to deliver advanced technology solutions in Voice over Internet Protocol (VoIP). D -Link engineers have worked closely with AT&T to implement unique, industry leading Quality of Service (QoS) solutions that deliver strong, reliable connections and sound quality comparable to existing circuit -switched telephone service. Through this joint engineering effort with AT&T, D -Link became the first company to meet AT&T's stringent specifications and was recently named a charter member of AT&T's VoIP Innovation and Interoperability Program..


Focused on driving the QoS for VoIP, D -Link's engineers worked diligently with AT&T to deliver the ability to adjust upload bandwidth as needed by intelligently analyzing voice over data packets to insure real -time delivery per AT&T specifications. By implementing advanced QoS features, D -Link has brought cutting -edge technology and manufacturing, together with Intellectual Property from AT&T to meet AT&T's advanced QoS requirements for its VoIP architecture, delivering to the marketplace high -quality and unsurpassed VoIP technology that minimize packet loss, virtually eliminating crosstalk, fading and delay. In addition, these high -performance QoS enhancements:

Guarantee bandwidth availability for calls
Enable consistent call quality
Ensure echo canceling

"D -Link's experience, combined with their consumer networking capabilities, was a key selection factor when we chose to work with them as we developed our residential broadband phone service," said Cathy Martine, AT&T senior vice president of Internet Telephony. "Today, AT&T CallVantageSM Service customers are enjoying the benefits of high -quality and reliability thanks to these successful joint efforts."

"We are pleased to be working with AT&T to help drive technology innovation in this new era of communication," said Steven Joe, president and CEO of D -Link. "By developing side by side with AT&T, we are able to ensure the sound quality and features that AT&T customers have come to expect."

About D -Link Systems, Inc.
D -Link is the global leader in total products shipped for consumer networking connectivity according to reports published by the Synergy Research Group. D -Link is the worldwide leader and award winning designer, developer, and manufacturer of networking, broadband, digital electronics, voice and data communications solutions for the digital home, Small Office/Home Office (SOHO), Small to Medium Business (SMB), and Workgroup to Enterprise environments. With more than a million square feet of manufacturing capacity and millions of Ethernet adapters, hubs and switch ports, manufactured and shipped, D -Link is a dominant market participant and price/performance leader in the networking and communications market. D -Link U.S.A., Canadian, and Mexico headquarters are located at 17595 Mt. Herrmann Street, Fountain Valley, CA, 92708. Phone (800) 326 -1688 or (714) 885 -6000; FAX (866) 743 -4905; Internet www.dlink.com.

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